CN108426550B - Piston displacement measuring device of hydro-viscous speed regulation clutch - Google Patents
Piston displacement measuring device of hydro-viscous speed regulation clutch Download PDFInfo
- Publication number
- CN108426550B CN108426550B CN201810178660.7A CN201810178660A CN108426550B CN 108426550 B CN108426550 B CN 108426550B CN 201810178660 A CN201810178660 A CN 201810178660A CN 108426550 B CN108426550 B CN 108426550B
- Authority
- CN
- China
- Prior art keywords
- ring
- hydro
- clutch
- rotor
- speed regulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 71
- 238000007789 sealing Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 14
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a piston displacement measuring device of a hydro-viscous speed regulation clutch. The hydraulic viscous speed regulation clutch comprises a displacement sensor and a slip ring assembly, wherein a spring displacement containing cavity is formed between a piston of the hydraulic viscous speed regulation clutch and a driven disc of the hydraulic viscous speed regulation clutch, and the piston of the hydraulic viscous speed regulation clutch moves in the spring displacement containing cavity; the displacement sensor is arranged outside the driven disc of the hydro-viscous speed regulation clutch through threads and is not contacted with oil inside the driven disc of the hydro-viscous speed regulation clutch; the displacement sensor is led out through the slip ring component and connected to the outside of the hydro-viscous speed regulation clutch. The invention achieves the effects of directly outputting signals acquired by the displacement sensor rotating with the shaft at a high speed and preventing oil of the sensor by improving the structures of the driven shaft, the driven disk and the piston of the hydro-viscous clutch.
Description
Technical Field
The invention relates to a displacement measuring device, in particular to a displacement measuring device of a piston in a hydro-viscous speed regulation clutch, which is required to rotate at a high speed along with a shaft and is oil-proof, and the displacement measuring device can also be applied to other measurements which cannot be measured by a conventional method.
Background
The hydro-viscous speed regulation clutch is a transmission device which transmits power through the shearing action of oil according to Newton's internal friction law, and the magnitude of torque output of the hydro-viscous speed regulation clutch can be regulated by changing the thickness of an oil film, namely controlling the position of a piston of an oil cylinder. The traditional hydro-viscous speed regulation clutch cannot accurately detect the displacement of a piston of a control oil cylinder, so that the control performance of the traditional hydro-viscous speed regulation clutch is restricted, and the requirement of the transmission characteristic in the general industrial field is difficult to meet. The displacement of the control piston of the hydro-viscous speed regulation clutch is measured to reflect the change of the oil film thickness, the relation between the oil film thickness and the torque output is established, and the method has great significance for improving the transmission performance of the hydro-viscous speed regulation clutch. However, as the protection grade of the adopted displacement sensor is IP67, the sensor is easy to damage when the sensor is directly contacted with hydraulic oil of a high-pressure cavity of a control oil cylinder, and an oil-proof design needs to be carried out on the sensor; in addition, since the sensor is mounted on the driven disk rotating at a high speed, it is difficult to directly output a measured displacement signal, and therefore, the structures of the piston, the driven disk, and the driven shaft of the hydro-viscous speed regulation clutch need to be improved.
Disclosure of Invention
In order to overcome the technical problems of oil resistance of the displacement sensor and direct output of signals measured by the sensor, the invention aims to provide a piston displacement measuring device of a hydro-viscous speed-regulating clutch, which improves the structures of a piston, a driven disc and a driven shaft of the hydro-viscous speed-regulating clutch to prevent the displacement sensor from being in direct contact with hydraulic oil of a high-pressure cavity of a control oil cylinder, introduces a conductive sliding ring to enable displacement signals measured by the displacement sensor to be directly output, and has the advantages of simple structure and low cost.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the hydraulic viscous speed regulation clutch comprises a hydraulic viscous speed regulation clutch piston, a hydraulic viscous speed regulation clutch driven shaft and a hydraulic viscous speed regulation clutch driven disc, wherein the hydraulic viscous speed regulation clutch driven disc and the hydraulic viscous speed regulation clutch driven shaft are coaxially and fixedly connected through an inner hexagon bolt; the displacement sensor is arranged outside the driven disc of the hydro-viscous speed regulation clutch through threads and is not contacted with high-pressure oil inside the driven disc of the hydro-viscous speed regulation clutch; the displacement sensor is led out through the slip ring component and connected to the outside of the hydro-viscous speed regulation clutch.
The existing displacement sensors are all arranged in a driven disc of the hydro-viscous speed-regulating clutch, oil is filled around the displacement sensors and is wrapped by the oil space, so that the displacement measurement of the piston of the hydro-viscous speed-regulating clutch, which is detected by the displacement sensors, is inaccurate.
The side wall of the driven disc of the hydro-viscous speed regulation clutch is provided with a mounting through hole, the displacement sensor is connected to the outer end of the mounting through hole in a sleeved mode through threads, the outer side wall of the piston of the hydro-viscous speed regulation clutch corresponding to the mounting through hole is additionally provided with an extending convex shaft, and the extending convex shaft extends into the inner end of the mounting through hole;
the slip ring component comprises a lead, a slip ring rotor, a rotor power ring, a rotor grounding ring, a rotor signal ring, a slip ring stator, a stator power ring, a stator grounding ring, a stator signal ring and a rotation stopping sheet; the slip ring rotor is coaxially sleeved and fixed outside a driven shaft of the hydro-viscous speed regulation clutch through a set screw, the slip ring stator is connected to a bracket extending out of a hydro-viscous speed regulation clutch shell through a rotation stopping sheet, and the slip ring stator is sleeved outside the slip ring rotor; the outer peripheral face of sliding ring rotor has rotor power ring, rotor ground ring and rotor signal ring along axial interval arrangement, the inner peripheral face of sliding ring stator has stator power ring, stator ground ring and stator signal ring along axial interval arrangement, rotor power ring, rotor ground ring and rotor signal ring are located respectively with stator power ring, the same periphery that stator ground ring and stator signal ring correspond, displacement sensor is connected to rotor power ring, rotor ground ring and rotor signal ring through the wire of locating in the liquid viscosity speed governing clutch driven shaft.
The protruding convex shaft is connected with the mounting through hole in a sealing mode through a sealing ring.
And air holes are formed in the outer side wall of the driven disc of the hydro-viscous speed regulation clutch beside the mounting through hole and are used for communicating the displacement sensor with the external space of the driven disc of the hydro-viscous speed regulation clutch, wherein the internal space of the mounting through hole extends out of the convex shaft.
An internal channel for a lead to pass through is reserved in the driven shaft of the hydro-viscous speed regulation clutch, and a rotor power supply ring, a rotor grounding ring and a rotor signal ring on a slip ring rotor rotating along with the driven shaft are connected with a displacement sensor through the internal channel by the lead.
The lower end of the rotation stopping sheet is arranged on a support extending out of the hydro-viscous speed regulation clutch shell through a pin shaft and a nut, and the upper end of the rotation stopping sheet is connected with the slip ring stator through a screw.
The invention has the beneficial effects that:
the oil-proof effect of preventing the sensor from contacting the hydraulic oil of the high-pressure cavity is achieved by arranging the piston extension rod, the sensor mounting through hole on the hydro-viscous speed regulation clutch driven disc, the air hole and the sealing ring; the signal collected by the displacement sensor arranged on the driven disk rotating at high speed can be directly output by adopting the conductive slip ring.
Drawings
FIG. 1 is a view showing the construction of the whole apparatus of the present invention;
FIG. 2 is a cross-sectional view of a hydro-viscous governor clutch driven shaft;
FIG. 3 is a cross-sectional view B-B of FIG. 2;
FIG. 4 is a cross-sectional view C-C of FIG. 2;
FIG. 5 is an enlarged partial view of the hydro-viscous governor clutch piston and at the sensor;
fig. 6 is a sectional view a-a of fig. 2.
In the figure: 1. liquid glues speed governing clutch piston, 2, liquid glues speed governing clutch driven disk, 2a, displacement sensor installation through-hole, 2b, the bleeder vent, 3, the sealing ring, 4, the displacement sensor, 5, the wire, 6, liquid glues speed governing clutch driven shaft, 6a, the wire guide, 6b, the wire output hole, 6c, wire input hole, 7, the sliding ring rotor, 8, rotor power ring, 9, the rotor ground ring, 10, the rotor signal ring, 11, the conductive sliding ring stator, 12, the stator power ring, 13, the stator ground ring, 14, the stator signal ring, 15, the rotation stopping piece.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1, the embodiment of the invention comprises a hydro-viscous speed-adjusting clutch piston 1, a hydro-viscous speed-adjusting clutch driven shaft 6, a hydro-viscous speed-adjusting clutch driven disc 2, a displacement sensor 4 and a slip ring assembly, wherein the hydro-viscous speed-adjusting clutch driven disc 2 is coaxially and fixedly connected with the hydro-viscous speed-adjusting clutch driven shaft 6 through a hexagon socket head cap screw, and the hydro-viscous speed-adjusting clutch piston 1 is arranged in a spring displacement accommodating cavity between the hydro-viscous speed-adjusting clutch driven disc 2 and a hydro-viscous speed-adjusting clutch outer ring casing; a spring displacement cavity is formed between the piston 1 of the hydro-viscous speed-regulating clutch and the driven disc 2 of the hydro-viscous speed-regulating clutch, and the piston 1 of the hydro-viscous speed-regulating clutch moves in the spring displacement cavity; the displacement sensor 4 is installed outside the driven disc 2 of the hydro-viscous speed regulation clutch through threads and is not contacted with oil inside the driven disc 2 of the hydro-viscous speed regulation clutch; the displacement sensor 4 is led out through the slip ring component and connected to the outside of the hydro-viscous speed regulation clutch.
In specific implementation, the driven disc 2 of the hydro-viscous speed-regulating clutch is connected with the driven shaft 6 through an M10 hexagon socket head cap screw so that the driven disc 1 drives the driven shaft to rotate at a high speed, a high-pressure spring displacement cavity is formed between the piston 1 of the hydro-viscous speed-regulating clutch and the driven disc 2, the piston 1 moves in the high-pressure spring displacement cavity, and the slip ring rotor 7 is fixed on the driven shaft 6 through a set screw so as to rotate at a high speed together with the driven shaft.
As shown in fig. 5, the sidewall of the hydro-viscous speed-regulating clutch driven disk 2 is provided with a mounting through hole, the mounting through hole is parallel to the hydro-viscous speed-regulating clutch driven shaft 6, the inner wall of the outer end of the mounting through hole is provided with an internal thread, the inner wall of the inner end of the mounting through hole is a unthreaded hole, the displacement sensor 4 is connected to the outer end of the mounting through hole through threaded sleeve, the outer sidewall of the hydro-viscous speed-regulating clutch piston 1 corresponding to the mounting through hole is additionally provided with an extending convex shaft 2a, and the extending convex shaft 2a extends into the inner end of the mounting through.
The size of the section of the protruding convex shaft 2a is the same as that of the sensor mounting through hole on the driven disc, and the length of the protruding rod ensures that the protruding rod does not leave the mounting through hole all the time. The protruding convex shaft 2a is connected with the mounting through hole in a sealing mode through a sealing ring 3 to prevent high-pressure hydraulic oil from entering the mounting hole to be in contact with the sensor. And, as shown in fig. 6, the lateral wall of the hydro-viscous speed regulation clutch driven disk 2 beside the installation through hole is opened with a vent hole 2b, the vent hole is a counter bore, the vent hole 2b is used for communicating the displacement sensor 4 and extending out of the installation through hole inner space between the protruding shafts and the outside of the hydro-viscous speed regulation clutch driven disk 2, so as to ensure that the internal and external pressures in the hole are the same, thus achieving the oil-proof effect of the displacement sensor 4.
The probe end that hydro-viscous speed governing clutch piston 1 stretches out protruding axle and displacement sensor 4 all stretches into in the sensor mounting hole of hydro-viscous speed governing clutch driven disk 2, the measurement of hydro-viscous speed governing clutch piston 1 displacement just converts the measurement of stretching out the protruding axle displacement into like this, displacement sensor 4 can detect the displacement of stretching out the protruding axle under not being flooded by fluid, and prevent through sealing ring 3 that hydro-viscous speed governing clutch is in the pressure oil entering installation through-hole in the driven disk 2, play the grease-proof effect of displacement sensor 4, a bleeder vent is beaten by the mounting hole side, guarantee the same effect of external pressure in the mounting hole, make to detect more accurately.
As shown in fig. 1, the slip ring assembly includes a lead 5, a slip ring rotor 7, a rotor power ring 8, a rotor ground ring 9, a rotor signal ring 10, a slip ring stator 11, a stator power ring 12, a stator ground ring 13, a stator signal ring 14 and a rotation stopper 15; the slip ring rotor 7 is coaxially sleeved and fixed outside the driven shaft 6 of the hydro-viscous speed regulation clutch through a set screw, the slip ring stator 11 is connected to a bracket extending out of a shell of the hydro-viscous speed regulation clutch through a rotation stopping sheet 15, and the slip ring stator 11 is sleeved outside the slip ring rotor 7; the lower end of the rotation stopping sheet 15 is installed on a support extending out of the hydro-viscous speed regulation clutch shell through a pin shaft and a nut, and the upper end of the rotation stopping sheet is installed and connected with the slip ring stator 11 through a screw, so that the slip ring stator 11 is always kept in a fixed state.
As shown in fig. 1, a rotor power ring 8, a rotor ground ring 9 and a rotor signal ring 10 are axially arranged at intervals on the outer circumferential surface of a slip ring rotor 7, a stator power ring 12, a stator ground ring 13 and a stator signal ring 14 are axially arranged at intervals on the inner circumferential surface of a slip ring stator 11, the rotor power ring 8, the rotor ground ring 9 and the rotor signal ring 10 correspond to the stator power ring 12, the stator ground ring 13 and the stator signal ring 14, respectively, the rotor power ring 8, the rotor ground ring 9 and the rotor signal ring 10 are located on the same circumferential surface corresponding to the stator power ring 12, the stator ground ring 13 and the stator signal ring 14, respectively, and a displacement sensor 4 is connected to the rotor power ring 8, the rotor ground ring 9 and the rotor signal ring 10 through a lead 5 penetrating through a passive shaft 6 of a hydro-viscous speed regulation clutch.
An internal channel for a lead 5 to pass through is reserved in a driven shaft 6 of the hydro-viscous speed regulation clutch, and a rotor power ring 8, a rotor grounding ring 9 and a rotor signal ring 10 on a slip ring rotor 7 rotating along with the driven shaft 6 are connected with a displacement sensor 4 through the internal channel by the lead 5. The internal passage is as shown in fig. 2-4, and the internal passage includes wire input hole 6c, wire guide 6a and wire output hole 6b, and the fluid viscosity speed governing clutch driven shaft is provided with wire guide 6a, punches to wire output hole 6b from the driven shaft main aspects, is provided with wire input hole 6c simultaneously, and wire input hole 6c is 152mm on wire output hole 6b right side, as long as the position arranges rationally convenient threading can. The lead 5 passes through a lead input hole 6c, a lead hole 6a and a lead output hole 6b in the driven shaft and is connected with a conductive slip ring on the rotor.
When the clutch works, the displacement sensor 4 detects the displacement of the hydro-viscous speed regulation clutch piston 1 and converts the displacement into an electric signal, the electric signal is correspondingly connected with a rotor power supply ring 8, a rotor grounding ring 9 and a rotor signal ring 10 on a slip ring rotor 7 through a lead 5, the slip ring rotor 7 rotates along with the hydro-viscous speed regulation clutch driven shaft 6, the rotor power supply ring 8, the rotor grounding ring 9 and the rotor signal ring 10 are respectively and electrically connected with a stator power supply ring 12, a stator grounding ring 13 and a stator signal ring 14 on a slip ring stator 11 through a slip ring assembly in rotation through a conductive slip ring, and finally, the stator signal ring 14 of the slip ring stator 11 outputs signals.
In conclusion, the oil-proof effect of preventing the sensor from contacting the high-pressure hydraulic oil is achieved by arranging the piston extension rod, the sensor mounting through hole on the hydro-viscous speed regulation clutch driven disc, the air hole and the sealing ring; the signal collected by the displacement sensor arranged on the driven disk rotating at high speed can be directly output by adopting the conductive slip ring.
The statements made in this specification merely exemplify the implementation of the inventive concept and the scope of the present invention should not be considered limited to the specific examples shown, but rather to equivalents thereof which may be contemplated by those skilled in the art based on the inventive concept.
Claims (5)
1. The utility model provides a fluid viscosity speed governing clutch piston displacement measuring device, includes fluid viscosity speed governing clutch piston (1), fluid viscosity speed governing clutch driven shaft (6) and fluid viscosity speed governing clutch driven plate (2), and fluid viscosity speed governing clutch driven plate (2) and fluid viscosity speed governing clutch driven shaft (6) are through the coaxial fixed connection of hexagon socket head cap screw, its characterized in that: the hydraulic viscous speed regulation clutch is characterized by further comprising a displacement sensor (4) and a slip ring assembly, wherein a spring displacement accommodating cavity is formed between the piston (1) of the hydraulic viscous speed regulation clutch and the driven disc (2) of the hydraulic viscous speed regulation clutch, and the piston (1) of the hydraulic viscous speed regulation clutch moves in the spring displacement accommodating cavity; the displacement sensor (4) is installed outside the driven disc (2) of the hydro-viscous speed regulation clutch through threads and is not contacted with oil inside the driven disc (2) of the hydro-viscous speed regulation clutch; the displacement sensor (4) is led out through the slip ring component and is connected to the outside of the hydro-viscous speed regulation clutch;
the side wall of the driven disc (2) of the hydro-viscous speed regulation clutch is provided with a mounting through hole, the displacement sensor (4) is sleeved and connected to the outer end of the mounting through hole through threads, the outer side wall of the piston (1) of the hydro-viscous speed regulation clutch, which corresponds to the mounting through hole, is additionally provided with an extending convex shaft, and the extending convex shaft extends into the inner end of the mounting through hole; the slip ring component comprises a lead (5), a slip ring rotor (7), a rotor power ring (8), a rotor grounding ring (9), a rotor signal ring (10), a slip ring stator (11), a stator power ring (12), a stator grounding ring (13), a stator signal ring (14) and a rotation stopping sheet (15); the slip ring rotor (7) is coaxially sleeved and fixed outside a driven shaft (6) of the hydro-viscous speed regulation clutch through a set screw, a slip ring stator (11) is connected to a support extending out of a shell of the hydro-viscous speed regulation clutch through a rotation stopping sheet (15), and the slip ring stator (11) is sleeved outside the slip ring rotor (7); rotor power ring (8) have been arranged along axial interval to the outer peripheral face of sliding ring rotor (7), rotor ground ring (9) and rotor signal ring (10), stator power ring (12) have been arranged along axial interval to the inner peripheral face of sliding ring stator (11), stator ground ring (13) and stator signal ring (14), rotor power ring (8), rotor ground ring (9) and rotor signal ring (10) are located respectively with stator power ring (12), the same periphery that stator ground ring (13) and stator signal ring (14) correspond, displacement sensor (4) are connected to rotor power ring (8) through wire (5) of locating in liquid viscosity speed governing clutch driven shaft (6), rotor ground ring (9) and rotor signal ring (10).
2. The hydro-viscous governor clutch piston displacement measurement device of claim 1, further comprising: the protruding convex shaft is connected with the mounting through hole in a sealing mode through a sealing ring (3).
3. The hydro-viscous governor clutch piston displacement measurement device of claim 1, further comprising: and air holes are formed in the outer side wall of the hydraulic viscous speed regulation clutch driven disc (2) beside the mounting through hole and are used for communicating the displacement sensor (4) with the outside of the hydraulic viscous speed regulation clutch driven disc (2) and extending out the inner space of the mounting through hole between the protruding shafts.
4. The hydro-viscous governor clutch piston displacement measurement device of claim 1, further comprising: an internal channel for a lead (5) to pass through is reserved in the driven shaft (6) of the hydro-viscous speed regulation clutch, and a rotor power ring (8), a rotor grounding ring (9) and a rotor signal ring (10) on a slip ring rotor (7) rotating along with the shaft of the driven shaft (6) are connected with the displacement sensor (4) through the lead (5) via the internal channel.
5. The hydro-viscous governor clutch piston displacement measurement device of claim 1, further comprising: the lower end of the rotation stopping sheet (15) is arranged on a support extending out of the hydro-viscous speed regulation clutch shell through a pin shaft and a nut, and the upper end of the rotation stopping sheet is connected with the slip ring stator (11) through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810178660.7A CN108426550B (en) | 2018-03-05 | 2018-03-05 | Piston displacement measuring device of hydro-viscous speed regulation clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810178660.7A CN108426550B (en) | 2018-03-05 | 2018-03-05 | Piston displacement measuring device of hydro-viscous speed regulation clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108426550A CN108426550A (en) | 2018-08-21 |
| CN108426550B true CN108426550B (en) | 2020-01-24 |
Family
ID=63157735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810178660.7A Active CN108426550B (en) | 2018-03-05 | 2018-03-05 | Piston displacement measuring device of hydro-viscous speed regulation clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108426550B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205918702U (en) * | 2016-07-18 | 2017-02-01 | 天津优瑞纳斯液压机械有限公司 | Earrings formula pneumatic cylinder displacement sensor mounting structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913562B (en) * | 2012-10-15 | 2015-02-11 | 浙江大学 | Hydro-viscous speed regulation device |
| CN103048131A (en) * | 2013-01-21 | 2013-04-17 | 北京理工大学 | Vehicle transmission device mode test table |
| CN104047925B (en) * | 2014-06-06 | 2017-02-15 | 江苏大学 | Liquid viscosity transmission tester with hydraulic load device |
| CN104568431A (en) * | 2014-12-29 | 2015-04-29 | 浙江大学 | Hydro-viscous transmission testing device for measuring dynamic parameter of oil film |
| CN107366692A (en) * | 2017-08-05 | 2017-11-21 | 苏州方德锐精密机电科技有限公司 | A kind of hand-adjusting type transparent hydro-viscous speed governing clutch in high precision |
| CN107421737A (en) * | 2017-08-05 | 2017-12-01 | 苏州方德锐精密机电科技有限公司 | A kind of high-precision transparent liquid glues drive experiments test device |
-
2018
- 2018-03-05 CN CN201810178660.7A patent/CN108426550B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205918702U (en) * | 2016-07-18 | 2017-02-01 | 天津优瑞纳斯液压机械有限公司 | Earrings formula pneumatic cylinder displacement sensor mounting structure |
Non-Patent Citations (1)
| Title |
|---|
| 基于RBF神经网络的液黏调速离合器;龚国芳;《工程设计学报》;20191028;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108426550A (en) | 2018-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107957308A (en) | Flange type torque sensor | |
| CN202049005U (en) | Friction torque testing device of rotary shaft lip seal rings | |
| CN106404381B (en) | A kind of check valve line pressure shift test device | |
| CN105277364A (en) | Bearing friction torque measuring instrument | |
| CN203385499U (en) | Friction torque detector for bearing | |
| CN108426550B (en) | Piston displacement measuring device of hydro-viscous speed regulation clutch | |
| CN104568431A (en) | Hydro-viscous transmission testing device for measuring dynamic parameter of oil film | |
| CN101329160A (en) | Method for testing sealing ring motion state in rotary sealing device | |
| CN104048788B (en) | Turboshaft engine starting torque measurement mechanism | |
| CN104458085A (en) | Mechanical connection structure for detecting dynamic torque by adopting static torque sensor | |
| CN110319959A (en) | A kind of large torque diesel engine starting moment of resistance measuring device | |
| CN208547647U (en) | A kind of speedometer, speed changer and automobile | |
| CN203225640U (en) | Tool used for servo motor structure design | |
| CN109556860B (en) | Device for automatically detecting bearing play | |
| CN105547550A (en) | Torque metering device | |
| CN210322299U (en) | Device for automatically detecting bearing play | |
| CN204314071U (en) | A kind of liquid for measuring oil film dynamic parameter glues transmission test device | |
| CN207499918U (en) | A kind of bearing box of steam turbine end cover structure | |
| CN106837311B (en) | Downhole testing device for preventing braking tool | |
| CN202245875U (en) | Multifunctional speed measurement fixing device for encoders | |
| CN205193095U (en) | Engineering machinery camshaft, bent axle signal generator | |
| CN202370601U (en) | Signal disk device | |
| CN215666528U (en) | Head sheave temperature monitoring structure | |
| CN204327072U (en) | Bidirectional reversible speed governing capacity transfer pressure measurement cylinder | |
| CN204804826U (en) | Oil -water well depth -logger electronic measurement appearance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |